Institute Newton C. Braga

Circuit Bench

Intercom Amplifier (CB6304E)
This circuit was found in a Ferranti documentation from 1969. The transistors are common types of...
Unijunction Astable (CB19240E)
This circuit uses two unijunction transistors and only one capacitor, generating signals at a...
Adjustable Output Regulator (CB5872E)
This circuit is from old documentation, but the regulator may be 78xx series equivalent and the...